Search a number
-
+
11311001300 = 2252293386041
BaseRepresentation
bin10101000100011000…
…00010111011010100
31002012021122101211002
422202030002323110
5141131104020200
65110214002432
7550203632114
oct124214027324
932167571732
1011311001300
114884846765
122238046418
1310b34a79a1
14794309044
15463022bd5
hex2a2302ed4

11311001300 has 36 divisors (see below), whose sum is σ = 24628707516. Its totient is φ = 4508947200.

The previous prime is 11311001291. The next prime is 11311001347. The reversal of 11311001300 is 310011311.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2544798916 + 8766202384 = 50446^2 + 93628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163721 + ... + 222320.

Almost surely, 211311001300 is an apocalyptic number.

11311001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311001300 is an abundant number, since it is smaller than the sum of its proper divisors (13317706216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311001300 is a wasteful number, since it uses less digits than its factorization.

11311001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386348 (or 386341 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 11311001300 its reverse (310011311), we get a palindrome (11621012611).

The spelling of 11311001300 in words is "eleven billion, three hundred eleven million, one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 293 586 1172 1465 2930 5860 7325 14650 29300 386041 772082 1544164 1930205 3860410 7720820 9651025 19302050 38604100 113110013 226220026 452440052 565550065 1131100130 2262200260 2827750325 5655500650 11311001300